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Forum: Grades 9-12: Life, Earth, and Social Sciences
The Origin of Earths' Water...(Look Down)
The Origin of Earths' Water...(Look Down)
[size=150][/size][size=150][/size]I I have been researching the birth of our planet and Solar System and it has become apparent that the accepted theory of how Earths water arrived was strictly by asteroids, comets and meteors directed here by Jupiter. The problem of the surface being molten early in Earths construction and the physics of water and extreme heat suggested any water here up to the point the…
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Forum: Grades 6-8: Life, Earth, and Social Sciences
plant growth rate
plant growth rate
Hello,
I wanted to plant so plants in my garden but I need plants that grow in a week or 2 weeks. If you have any plant suggestions please tell me. Also can you please make sure that the plant suggestions are easy to find and can be found anywhere.
Thank u
(also many thanks for making this website it really helps me with my projects and sci fair display boards) :lol: :lol: :lol: :lol: :lol: :) :) :) :) :)
Re: plant growth rate
Hi…
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Forum: Grades 9-12: Life, Earth, and Social Sciences
Exploring DNA Damage: Ultraviolet Rays on Yeast (Clarification)
Exploring DNA Damage: Ultraviolet Rays on Yeast (Clarification)
I read the procedure for growing yeast colonies and shining UV rays on them. Should I be growing BOTH the UV sensitive yeast cultures and the wild-type yeast cultures simultaneously using the same procedures?
Thanks for the clarification.
[Administrator note - project directions:…
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Forum: Grades 6-8: Life, Earth, and Social Sciences
Semi-Artificial body system
Semi-Artificial body system
Hi,
I am doing a science project to make a semi-artificial body. I found a lot of issues in my project and fixed them. But I'm not sure if there are more issues I couldn't find (and I also don't know if it's possible!). Can anyone help me identify issues in my project, or else a person will die.
Topic: Semi-Artificial Body
Things being added at surgery:
2 Stm32 nucleo boards
Fresenius 4008s blood pump
2 batteries
Wires, tubes,…
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Forum: Grades 6-8: Physical Science
Ice and Salt
Ice and Salt
Hi, I have a question about ice and salt cuz I have this project about it. My questions are below and I hope you are able to answer them.
1) how does salt melt ice
2) is it a chemical reaction when the salt and ice interact if so what is the molecules used and how do they interact with each other
3) What are the molecules and make salt and what are the molecules that make ice
4) If I add a lot of salt to the ice will it melt faster
I hope you are able to…
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Forum: Grades 9-12: Physical Science
About image after slit
About image after slit
what factors affect the vividness and same (shape, size) of the image after the light pass through the slit
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Forum: Grades 9-12: Physical Science
About image after slit
About image after slit
what factors affect the vividness and same (shape, size) of the image after the light pass through the slit
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Forum: Grades 9-12: Physical Science
About image formed after light pass through a slit
About image formed after light pass through a slit
What is needed such that the light has to be to create an image on the screen after passing through the slit that is exactly the same shape and size as the slit?
Also, when the image pass through the self made lens but the final image on the screen is so vague and doenst has any similar shape of slit
what factors affect the vividness and same (shape, size) of the image after the light pass…
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Forum: Careers in Science
Bachelor's degree
Bachelor's degree
How many years of collage is a Bachelor's degree?
Re: Bachelor's degree
A bachelor's degree depends on the number of credits required by an institution and the fulfillment of whatever requirements are listed for the specific major. A bachelor's degree often takes an average of 4 years.
Amy
Science Buddies
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Forum: Grades K-5: Life, Earth, and Social Sciences
Batterie B31N1726 Asus ne charge pas
Batterie B31N1726 Asus ne charge pas
Bonsoir à tous,
voilà j'ai un problème de batterie depuis quelque temps
j'ai un ASUS modèle B31N1726
en allumant l'ordi, il s'éteint après quelques secondes en étant (0% branché, EN CHARGE)
je peux que l'utiliser avec le câble
j'ai essayé la technique d'éteindre l'ordi, d'enlever le cable puis la batterie puiss remettre le câble rien n'a changé.
[adminisrator - urls removed]
Re: Batterie B31N1726 Asus ne charge…
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